<template>
  <div>
     <div id="slider" class="mui-slider">
                <div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
                    <div class="mui-scroll">
                        <span :class="['mui-control-item', item.id === 0 ? 'mui-active':'']" 
                        v-for="item in category" :key="item.id" @click="getPhotoByCategory(item.id)">
                            {{ item.title }}
                        </span>
                        
                    </div>
                </div>
     
     
       </div>



<ul class="lazyul">
 <router-link tag="li" v-for="item in photolist" :key="item.id" :to="'/home/photoinfo/' + item.id">
    <img v-lazy="item.img_url">
    <div class="info">
      <h1 class="info-title">{{ item.title }}</h1>
      <div class="info-content">{{ item.zhaiyao }}</div>
    </div>
 </router-link>
</ul>
            
 
  </div>
</template>



<script>
import mui from "../../../lib/mui/js/mui.js";

import "mint-ui/lib/style.css";

export default {
  data() {
    return {
      category: [],
      photolist: []
    };
  },
  created() {
    this.getPhotoCategory();
    this.getPhotoByCategory(0);
  },
  methods: {
    async getPhotoCategory() {
      const { data } = await this.$http.get("/api/getimgcategory");
      if (data.status === 0) console.log(data.message);
      {
        data.message.unshift({ title: "全部", id: 0 });
        this.category = data.message;
      }
    },
    async getPhotoByCategory(id) {
      const { data } = await this.$http.get("/api/getimages/" + id);
      if (data.status === 0) return (this.photolist = data.message);
      console.log(data.message);
    }
  },
  mounted() {
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  }
};
</script>



<style lang="scss" scoped>
.mui-slider {
  touch-action: pan-x;
}

.lazyul {
  margin: 0;
  padding: 10px;

  li {
    background-color: #ccc;
    text-align: center;
    box-shadow: 0 0 7px gray;
    position: relative;
    & + li {
      margin-top: 10px;
    }
    img {
      vertical-align: middle;
      width: 100%;
    }
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
  }
}

.info {
  position: absolute;
  bottom: 0;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.5);
  max-height: 100px;
  overflow: hidden;
  .info-title {
    font-size: 14px;
  }
  .info-content {
    font-size: 13px;
    text-align: left;
  }
}
</style>


